Wort-cooler.



No- 799,869. PATENTED SEPT. 19, 1905. H. REBSAMEN & A. KIEFPBR.

WORT COOLER.

APPLICATION FILED mum, 1905.

5 SHEETS-SHEET 1.

No. 799,869. PATENTED SEPT. 19, 1905; H. REBSAMEN & A. KIEPFER.

WORT COOLER. APPLICATION FILED MAR.8. 1905.

No. 799,869. PATENTED SEPT. 19, 1905. H. REBSAMEN & A. KIEFPER.

WORT COOLER.

APPLIOATION FILED 1mm, 1905.

5 SHEETS-SHEET 3.

zi nesdes No. 799,869. PATENTED SEPT. 19, 1905.

H. REBSAMEN & A. KIEFPER.

WORT COOLER.

APPLICATION FILED MAR.6, 1905.

5 SHEETS-SHEET 4.

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No'. 799,869. PATENTED SEPT. 19, 1905.

' H. REBSAMEN & A. KIEPFER.

WORT COOLER.

APPLICATION FILED MAR.6,1905.

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UNITED STATES PATENT @FFICE.

HENRY REBSAMEN AND AUGUST KIEFFER, OF CHICAGO, ILLINOIS.

WORT-COOLER.

Specification of Letters Patent.

Patented Sept. 19, 1905.

Application filed March 6, 1905. Serial No. 248,458.

' cal series of horizontal parallel pipes connected from one to the other'at their ends by elbows or return-bends to form a coil, with connecting means between the outlet end of one series to the inlet end of another to render the course of the wort continuous in its back-and -forth travel through the cooler. The refrigerating medium employed in this variety of cooler for exerting the cooling influence upon the coursing wort is anhydrous ammonia or other similarly-acting agent, operating either directly on the cooler-pipes or indirectly thereon through the medium of brine in which the cooler is immersed.

Our improved device belongs to the kind of these coolers in connection with which brine is the immediate cooling medium employed; and our primary object is to afford ready access to any pipe in a coil for cleaning it or other purpose when the cooler is immersed in a brine-tank with'which it is permanently associated.

Our invention consists in the general and more specific construction of parts whereby the aforesaid object and further objects are accomplished.

Referring to the accompanying drawings, Figure 1 is a plan view of our improved apparatus. Fig. 2 is a section taken at the line 2 on Fig. 1 and viewed in the direction of the arrow. Fig. 3 is an end view of the apparatus. Fig. 4 is a section taken at the lined on Fig. land Fig. 2 and viewed in the direction of the arrow. Fig. 5 is an enlarged view, in broken sectional elevation, of one of the elbow-coupling devices with its connections; Fig. 6, a broken-away section taken at the line 6 on Fig. 5 and viewed in the direction of the arrow; Fig. 7, an end elevation of the coupling device; Fig. 8, a section taken at the line 8 on Fig. 5 and viewed in the direction of the arrow; Fig.9, a view in elevation of the strap-bar detail; and Fig. 10, a plan view of the yoke with its attachments removed, showing the elbowin section.

A is a tank, shown in its preferred rectan gular form, resting on suitable supports a.

B B are wort conduit pipes extending through opposite end walls of the tank, three resented, each series comprising eight parallel pipes, though the number of the series and of the pipes may vary from the representation thereof. In each series the lowermost pipe is connected from one end with the adjacent end of the next pipe by a U-shaped or return-bend coupling or elbow, the opposite end of the last-named pipe being similarly connected with the adjacent end of the each series to form it into a pipe-coil.

Our invention lies in the combination with in the general as well as the more specific construction of and combination with the pipes of the coupling devices to adapt them to be readily disconnected for affording access to the pipes at their ends, and as the couplings all involve the same construction description of one of them will sufiice.

Each pipe B passes at its ends through openings in the tank-walls in which they find end bearings, and the pipe is rigidly fastened in sented in Fig. 5, encircling it against the inner side of the tank-wall with an internallythreaded split collar 6, fastened by bolts 6 to clamp it on the pipe, and applying to the projecting pipe end a jam-nut c to bear against the outer surface of the wall. Thus the pipes are rigidly fixed in the tank with their threaded ends projecting beyond the walls in which they find bearings, and they are supported at intervals between their ends by pairs of parallel vertical bars (Z (Z, rising from the base of the tank, the members of each pair being fastened together by bolts 6 at intervals and spaced apart to permit the pipes to pass between them, the bolts atfording bearings for the pipes. Coils C for the primary refrigerating medium, as anhydrous ammonia, are also supported in desired number in the tank by restingon bolts 0', which connect the spaced members of pairs of vertical bars d, rising at intervals from the bottom of the tank and between which members the coils pass from headers O and C at their upper and lower ends, respectively, the lower header communicating with the suction side and the pipe next above it, and so on throughout a brine-tank of a wort-cooling coil and also vertical rows or series of the pipes being repplace at each end by threading it, as repreupper one with the discharge side of any ordinary or suitable gas compressor. (Not shown.)

D represents as a whole the coupling device for pipes B, comprising the following described construction: A tubular elbowf, preferabl y of the U shape represented, has formed upon it to extend on opposite sides thereof across its transverse center flanged guidebearings f f, and the elbow is provided near each end with a flange f and outer and inner shoulders f and f", Fig. 5. A strap-bar g, having a central opening 9, terminates at its ends in annular heads 9 which encircle ends of pipes B to be coupled, and in each head there fits a thimble it, screwed upon the headed end of a pipe and having seated in its expanded outer end a gasket-packing 71/. The elbow f is straddled by a yoke Z, formed in two similar longitudinal sections provided with bolting-flanges near their opposite ends, at which they are' secured together by bolts 11 to embrace the guide-bearings f. A lJOll3Zr3 passes through a longitudinal opening formed in one end of the yoke, wherein it is confined against withdrawal at its head, Fig. 6, and the threaded end of this bolt passes through the central opening 9 in the strapbar andis fastened by a nut Z0 A threaded stem Z, provided with a handle Z on its outer end and a head Z on its inner end, works in a threaded opening in the outer end of the yoke and is confined at its head in a T-shaped slot Z", formed in the outer end of the guidebearings f.

By the described construction of the coupling device D to loosen an elbow f the stem Z is turned in one direction at its handle Z to cause the head Z by engagement with the recess Z to withdraw the elbow from its seats at it, when the elbow may be freely turned on the bolt-bearings of the yoke Z to extend at a right angle or other angle to its fastened position illustrated, and thus clear the ends of the respective pipes B to render them accessible for cleaning and other purposes. To readjust an elbow, its ends are brought coincident with the seatinggaskets it, when the stemZ is turned in the proper direction to force its head Z inward, and thus press and clamp the elbow against its seats. The yoke, pivotally supported on the bearing afforded by the strap-bar, with the operating-screw Z working in its outer end against the elbow, forms a rotatable holder for the elbow, in which it has a limited longitudinal movement for tightening it against and freeing it from the pipe ends and with which it is adapted to be turned or rotated when so freed for taking it out of the Way and permitting access to be had to the pipe ends.

The lowermost and uppermost pipes B in each coil extend at one end farther beyond an end wall of the tank than the intermediate coupled pipes, and two of these extensions of the uppermost pipes are equipped with shutoff valves'at m m. The extended lower pipes discharge into a header it, provided between its connections with the extensions with sh ut-' off valves 12/. The lowermost pipe in the first coil is connected from its extension at a point behind the header 72 with the extension of the uppermost pipe of the intermediate coil by a pipe B, and the lowermost pipe in the intermediate coil is connected from its extension with the extension of the uppermost'pipe of the third or last coil by a pipe B.

With the tank A supplied with brine cooled by the action of the coils C the wort to be cooled is run into the uppermost pipe of the first coil at 2,, flows downward through that coil and upward through the connecting-pipe B into the upper end of the intermediate coil, through which it courses downward and from the lower end of which it passes through the connecting-pipe B" into the upper end of the third coil, coursing downward through the latter and discharging from the header or at 0. When it is desired to use only the first coil for cooling, the valves m m may be closed, causing the wort after coursing downward through that coil to flow immediately through the header a to the discharge 0, both valves a being then open. If it be desired to use only the first and second coils, the valve n nearest the discharge 0 is opened and the other valve n is closed and the valve m at the upper end of the pipe B is closed to shut off the end coil.

What we claim as new, and desire to secure by Letters Patent, is

1. In a beer-cooler of the character described, the combination of a brine-tank, a plurality of series of pipes passing at their ends through opposite walls of the tank, the pipes in each series being coupled beyond said walls to form them into a coil, a valveequipped header into which an end pipe of each series discharges, an inclined valveequipped pipe connecting the discharge end of one coil with the inlet end of another coil beyond an end of said tank, and means for cooling the brine in said tank.

2. In a beer-cooler of the character described, a pipe-coil for the wort to be cooled, comprising, in combination, a series of pipesand a coupling device for adjacent ends of the members of each pair of pipes in the series, consisting of an'elbow meeting the two pipe ends to be coupled, a strap-bar connecting the members near said ends, a yoke embracing said elbow transversely and rotatably connected at its inner end with said bar, and a threaded stem rotatably engaging with said elbow and working in the outer end of said yoke, for the purpose set forth.

3. In a beer-cooler of the character described, a pipe-coil for the wort to be cooled, comprising, in combination, a series of pipes and a coupling device for adjacent ends of the members of each pair of pipes in the series, consisting of an elbow seating against the two pipe ends to be coupled, a strap-bar connecting the members near said ends, transverse of the members of each pair of pipes in the series, consisting of a bearing between said members, an elbow seating against the two pipe ends to be coupled, and a screw-operated holder carrying said elbow, supported to rotate axially on said bearing and adapted to press the elbow in seating it against the pipe ends by turning the screw in one direction and to cause withdrawal of the elbow from its seat by turning said screw in the opposite direction.

HENRY REBSAMEN. AUGUST KIEFFER.

In presence'of L. HEIsLAR, J. H. LAUDER. 

